package java_01_20201028;

public class zuoye13 {
	public static void main(String[] args) {
		int x=2020;
		if(x%400==0) {
			System.out.println("shirunian");
		}
		if(x%4==0&&x%100==0) {
			System.out.println("bushirunian");
		}
		if(x%4==0&&x%100!=0) {
			System.out.println("shirunian");
		}
		if(x%4!=0&&x%100!=0) {
			System.out.println("bushirunian");
		}
		
		
	}
}
